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September 10th, 2014

10/9/2014

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Today we did a number of experiments:
  • We discovered that the average resting heart rate was 16 beats per minute and that this increases with exercise.
  • We experimented to see if there is more Carbon dioxide in exhaled that inhaled air.
  • We tested glucose solution with Benedict's Solution and heat an saw that it turned a brick red colour.
  • We tested rice and a biscuits with iodine, they turned a black colour indicating the presence of starch. 

HW: Do the questions at the end of the chapter on Digestion (Book pages 36-37)
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